[ 2621.250192][T21099] gre: GRE over IPv4 demultiplexer driver
[ 2622.836916][T21122] ip_gre: GRE over IPv4 tunneling driver
[ 2670.171053][T21694] ip6_gre: GRE over IPv6 tunneling driver
[ 2697.449290][T22039] ping (22039) used greatest stack depth: 23464 bytes left
[ 2702.515086][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2707.250993][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2711.411008][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2716.210992][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2756.617539][T22743] ip (22743) used greatest stack depth: 23408 bytes left